A frequent factor in the origins of primary nocturnal enuresis: anxiety in the third year of life.
D000367:Age Factors; D001007:Anxiety; D002648:Child; D002675:Child, Preschool; D002940:Circadian Rhythm; D004775:Enuresis / Q000209:etiology* / Q000628:therapy; D006801:Humans; D007858:Learning; D014039:Toilet Training